Brocade Communications Systems DCX Backbone Hardware Installation Manual page 36

Installing the 14U Rack Mount Kit for Four-Post Racks (XBR-DCX-0120 and XBR-DCX-0152)
3. Position the shelf brackets with the adjustable ends on the intake air aisle side of the rack (see the previous figure).
• For rails with round holes:
– Position the left and right rack mount shelf brackets and attach them to the rack rails. Use eight screws with lock
washers per bracket (four on each end). Tighten the screws to a torque of 80 in-lb (92 cm-kg).
• For rails with square holes:
– Position the left and right rack mount shelf brackets and attach them to the rack rails. Use eight screws and alignment
washers per bracket (four on each end). Tighten the screws to a torque of 80 in-lb (92 cm-kg).
FIGURE 6 Nut and screw locations for mounting the device
1. 10-32 clip nuts (for round holes)
2. Rail
3. 10-32 retainer nut (for square holes)
4. Rail
5. Top screws in shelf bracket
NOTE
Standard EIA rails have holes in sets of three; spaces between the holes are 5/8 in., 5/8 in., and 1/2 in. (1.58 cm,
1.58 cm, and 1.27 cm).
4. Tighten the adjusting screws on the sliding portion of the rack mount shelf brackets to a torque of 32 in-lb (37 cm-kg).
36
6. Bottom screws in shelf bracket
7. Left rack mount shelf bracket
8. Right rack mount shelf bracket
9. Hole 1
Brocade DCX Backbone Hardware Installation Guide
53-1000685-24